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P0791 2011 Toyota Camry Code - Intermediate Shaft Speed Sensor 'A' Circuit

Quick Answer

The P0791 diagnostic trouble code (DTC) for a 2011 Toyota Camry indicates a problem with the Intermediate Shaft Speed Sensor 'A' Circuit. Common causes include Faulty Intermediate Shaft Speed Sensor 'A', Wiring issues or loose connections, Faulty transmission control module. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0791 2011 Toyota Camry indicates Intermediate Shaft Speed Sensor 'A' Circuit.
Common causes
Common causes include Faulty Intermediate Shaft Speed Sensor 'A', Wiring issues or loose connections, Faulty transmission control module.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P0791 2011 Toyota Camry Description

The P0791 diagnostic trouble code (DTC) for a 2011 Toyota Camry indicates a problem with the Intermediate Shaft Speed Sensor 'A' Circuit. This sensor is responsible for monitoring the speed of the intermediate shaft in the transmission. The information gathered by this sensor is crucial for the proper operation of the transmission, as it helps the vehicle's computer system determine the appropriate shift points for optimal performance and fuel efficiency.

OBDII Code P0791 2011 Toyota Camry - Intermediate Shaft Speed Sensor 'A' Circuit
P0791 2011 Toyota Camry Code - Intermediate Shaft Speed Sensor 'A' Circuit

Common Causes of P0791 2011 Toyota Camry

  1. Faulty Intermediate Shaft Speed Sensor 'A'
  2. Wiring issues or loose connections
  3. Faulty transmission control module
  4. Corrosion or damage to sensor connectors
  5. Electrical issues within the circuit

Symptoms of P0791 2011 Toyota Camry

  1. Erratic shifting behavior
  2. Harsh or delayed shifts
  3. Transmission slipping out of gear
  4. Vehicle going into limp mode

How to Fix P0791 2011 Toyota Camry

  1. Begin by diagnosing the issue using a scan tool to confirm the P0791 code and pinpoint the exact cause of the problem.
  2. Inspect the wiring and connections related to the Intermediate Shaft Speed Sensor 'A' for any signs of damage, corrosion, or loose connections. Repair or replace as needed.
  3. Test the sensor itself to determine if it is functioning properly. Replace the sensor if it is found to be faulty.
  4. Clear the DTC from the vehicle's computer system and test drive the vehicle to ensure that the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to identify any other underlying issues with the transmission system.

Cost to Fix P0791 2011 Toyota Camry

The typical repair costs for addressing the P0791 code on a 2011 Toyota Camry can vary depending on the specific cause of the issue. In general, the cost of replacing the Intermediate Shaft Speed Sensor 'A' and addressing any wiring or connection issues can range from $200 to $500, including parts and labor. It is important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is recommended to check local rates for a more accurate estimate.

When is the Code Detected?

P0791 code is detected when the input speed sensor voltage is more than 1.9V or less than 0.1V for 2 seconds or more

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0791 2011 Toyota Camry Code

1. What does the OBDII code P0791 mean on a 2011 Toyota Camry?

P0791 indicates an issue with the Intermediate Shaft Speed Sensor 'A' Circuit, which monitors the rotational speed of the intermediate shaft in the transmission.

2. What are the common symptoms of code P0791 in a 2011 Toyota Camry?

Symptoms include delayed or erratic shifting, poor fuel economy, the transmission going into limp mode, and the check engine light being illuminated.

3. What causes the P0791 code to appear in a 2011 Toyota Camry?

Common causes include a faulty intermediate shaft speed sensor, damaged wiring or connectors in the sensor circuit, a malfunctioning transmission control module (TCM), or internal transmission issues.

4. Can I drive my 2011 Toyota Camry with the P0791 code?

Driving with the P0791 code is possible but not recommended, as it can lead to further transmission damage and unsafe driving conditions due to erratic shifting.

5. How can I diagnose the P0791 code in my 2011 Toyota Camry?

Diagnosis involves using an OBDII scanner to confirm the code, visually inspecting the sensor and its wiring for damage, testing the sensor with a multimeter, and checking the TCM for faults.

6. How do I fix the P0791 code on a 2011 Toyota Camry?

Repairs may include replacing the intermediate shaft speed sensor, repairing or replacing damaged wiring or connectors, and, if necessary, addressing TCM or internal transmission issues.

7. How much does it cost to fix the P0791 code in a 2011 Toyota Camry?

Costs can vary, but replacing the intermediate shaft speed sensor typically ranges from $150 to $300, including parts and labor. More extensive repairs, such as TCM replacement, may cost more.

8. Can a dirty transmission fluid cause the P0791 code in a 2011 Toyota Camry?

Yes, dirty or low transmission fluid can sometimes affect sensor readings and transmission performance, potentially triggering the P0791 code.

9. Where is the intermediate shaft speed sensor located on a 2011 Toyota Camry?

The intermediate shaft speed sensor is typically located on the transmission housing, near the intermediate shaft or output shaft.

10. Will clearing the P0791 code with a scanner fix the issue in my 2011 Toyota Camry?

Clearing the code may turn off the check engine light temporarily, but it won’t resolve the underlying issue causing the P0791 code. Proper diagnosis and repair are necessary.

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